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S31730 Stainless Steel vs. EN 1.4606 Stainless Steel

Both S31730 stainless steel and EN 1.4606 stainless steel are iron alloys. They have 87% of their average alloy composition in common. There are 28 material properties with values for both materials. Properties with values for just one material (6, in this case) are not shown.

For each property being compared, the top bar is S31730 stainless steel and the bottom bar is EN 1.4606 stainless steel.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 200
190
Elongation at Break, % 40
23 to 39
Fatigue Strength, MPa 170
240 to 420
Poisson's Ratio 0.28
0.29
Shear Modulus, GPa 77
75
Shear Strength, MPa 370
410 to 640
Tensile Strength: Ultimate (UTS), MPa 540
600 to 1020
Tensile Strength: Yield (Proof), MPa 200
280 to 630

Thermal Properties

Latent Heat of Fusion, J/g 290
300
Maximum Temperature: Corrosion, °C 420
770
Maximum Temperature: Mechanical, °C 990
910
Melting Completion (Liquidus), °C 1430
1430
Melting Onset (Solidus), °C 1390
1380
Specific Heat Capacity, J/kg-K 470
470
Thermal Expansion, µm/m-K 16
11

Otherwise Unclassified Properties

Base Metal Price, % relative 24
26
Density, g/cm3 8.0
7.9
Embodied Carbon, kg CO2/kg material 4.6
6.0
Embodied Energy, MJ/kg 63
87
Embodied Water, L/kg 180
170

Common Calculations

PREN (Pitting Resistance) 30
19
Resilience: Ultimate (Unit Rupture Work), MJ/m3 170
190 to 200
Resilience: Unit (Modulus of Resilience), kJ/m3 99
200 to 1010
Stiffness to Weight: Axial, points 14
14
Stiffness to Weight: Bending, points 24
24
Strength to Weight: Axial, points 19
21 to 36
Strength to Weight: Bending, points 18
20 to 28
Thermal Shock Resistance, points 12
21 to 35

Alloy Composition

Aluminum (Al), % 0
0 to 0.35
Boron (B), % 0
0.0010 to 0.010
Carbon (C), % 0 to 0.030
0 to 0.080
Chromium (Cr), % 17 to 19
13 to 16
Copper (Cu), % 4.0 to 5.0
0
Iron (Fe), % 52.4 to 61
49.2 to 59
Manganese (Mn), % 0 to 2.0
1.0 to 2.0
Molybdenum (Mo), % 3.0 to 4.0
1.0 to 1.5
Nickel (Ni), % 15 to 16.5
24 to 27
Nitrogen (N), % 0 to 0.045
0
Phosphorus (P), % 0 to 0.040
0 to 0.025
Silicon (Si), % 0 to 1.0
0 to 1.0
Sulfur (S), % 0 to 0.010
0 to 0.015
Titanium (Ti), % 0
1.9 to 2.3
Vanadium (V), % 0
0.1 to 0.5